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Cryptology Academy · Lesson

Symmetric vs Asymmetric Overview

Understand the two main families of modern cryptographic systems.

Welcome

In this lesson we compare the two main families of modern cryptography: symmetric (shared-key) and asymmetric (public-key) encryption.

Symmetric Encryption

In symmetric encryption, the same key is used for both encryption and decryption. Examples: AES, ChaCha20. It is fast but requires secure key exchange.

All lessons in this course

  1. Ancient Ciphers & Early Crypto History
  2. Core Cryptographic Vocabulary
  3. Symmetric vs Asymmetric Overview
  4. Crypto in Everyday Life
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